2134642

Information

• Patent Grant
• 2134642

• References
• Source

• Patent Number

  2,134,642

• Date Filed

  Not available

• Date Issued

  Tuesday, October 25, 1938
  86 years ago

• CPC

  • C09B29/20 - of the naphthalene series
  • C09B29/18 - ortho-Hydroxy carbonamides
  • C09B29/22 - of heterocyclic compounds

• US Classifications

  • 534 - Organic compounds
  • 558 - Organic compounds